quote_currency_list = NotImplemented
currency_list = NotImplemented
symbol_list = NotImplemented

usd_variant_list = (
    'USD',
    'USDT',  # USD Tether
    'GUSD',  # Gemini USD
    'HUSD',  # Huobi USD
    'PAX',  # Paxos Standard
    'TUSD',  # True USD
    'USDC',  # USD Coin
)

eur_variant_list = (
    'EUR',
    'EURT',  # EUR Tether
)


def get_rep_currency(currency):
  assert type(currency) == str, currency
  if currency in usd_variant_list:
    return 'USD'
  elif currency in eur_variant_list:
    return 'EUR'
  else:
    return currency
